Enjoy Cozy, Quiet, Efficient Heat for Years to Come with a Gas-Fired Boiler.

Gas-fired water boilers deliver comfortable, even heat almost silently. What’s even better is their high-level energy efficiency. At Farnell Heating & Air Conditioning Inc in Mobile, many of the Lennox® gas-fired water boilers we sell are ENERGY STAR® qualified.

Learn about the features of our high-efficiency boilers.

GWM-IE Boiler

This ENERGY STAR® qualified, gas-modulating condensing water boiler is 40% more efficient than conventional boilers. In fact, it carries a 95% AFUE rating.* To boost fuel savings, it uses an electronic ignition control that turns on the burner to coordinate with your household demand to make sure it uses only the energy it needs to keep you warm.

  • Durable, self-cleaning, stainless steel heat exchanger changes waste energy into usable heat
  • Sealed combustion minimizes noise
  • By allowing the burner to fire as low at 20% of its capacity, it’s modulating capability perfectly meets your comfort needs
  • Stainless steel mesh burner fights corrosion and oxidation
  • CPVC flue condensate collector is corrosion-resistant and eliminates the use of metal in the venting area.
  • 15-year limited warranty on heat exchanger, 10-year limited warranty on remaining covered components
GWM-IE Boiler
Efficiency Rating (AFUE): up to 95
Energy Star badge

GWB9-IH Boiler

The GWB9-IH boiler effortlessly integrates with a traditional radiator system and is ENERGY STAR qualified with an AFUE rating of 90%.* Its cast-aluminum heat exchanger carries heat quickly—potentially three times faster than a conventional cast-iron exchanger.

  • Dependable, heavy-gauge steel cabinet with baked-on paint finish
  • Small design for flexibility in installation
  • Sealed combustion reduces noise
  • Electronic ignition controls water temperature and ignites the burner only when it is needed
  • Burns natural gas or can convert to LP gas
  • 15-year limited warranty on heat exchanger, 10-year limited warranty on remaining covered components
GWB9-IH Boiler
Efficiency Rating (AFUE): up to 90
Energy Star badge

GWB8-IE Boiler

Far more efficient than an older boiler, the GWB8 boiler boasts an 84.4% efficiency rating*—it also works with older radiator systems.

  • Electronic ignition oversees water temperature and lights the burner only when needed
  • Thick fiberglass insulation minimizes off-cycle heat and energy loss
  • Cast-iron heat exchanger and titanium burners constructed for years of durability
  • Offered in six different sizes for ultimate installation flexibility
  • Burns natural gas or can convert to LP gas
  • 20-year limited warranty on heat exchanger, 1-year limited warranty on remaining covered parts
GWB8-IE Boiler
Efficiency Rating (AFUE): up to 84.4

GWB8-E Boiler

This standard-efficiency boiler can perform for years to come with its long-lasting cast-iron heat exchanger and durable stainless steel burners.

  • Electronic ignition oversees water temperature and lights the burner only when needed
  • Thick fiberglass insulation minimizes off-cycle heat and energy loss
  • Compatible with traditional radiator systems
  • Available in nine different sizes for installation anywhere in your home
  • Burns natural gas or convertible to LP gas
  • 20-year limited warranty on heat exchanger, 1-year limited warranty on remaining covered parts
GWB8-E Boiler
Efficiency Rating (AFUE): up to 83.9

Give us a call at 251-471-2674 or schedule an appointment online so our staff at Farnell Heating & Air Conditioning Inc in Mobile can help you find the right boiler for you, or get your current boiler running as smoothly and efficiently as possible.